| 摘要 |
PROBLEM TO BE SOLVED: To provide an aluminum alloy thin thickness casting structure for an aircraft having strength and light weight same as a current structure manufactured by riveting a skin member and a main structure, and having reduced cost by integrating a skin member comprising an aluminum alloy flat plate part and a main structure member comprising a rib, and optimizing the constitution of the reinforcing rib arranged on the skin member. SOLUTION: This aluminum alloy thin thickness casting structure 1 for the aircraft is composed of the skin member 2 comprising the flat plate part composed of high strength aluminum casting alloy; the main structure member X composing the main rib 3 installed in the skin member 2; and the reinforcing rib 4 installed between the main ribs 3. The skin member 2, the main rib 3, and the reinforcing rib 4 are integratedly formed by casting.
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